from flask import Flask
from flask_bootstrap import Bootstrap
from flask_mail import Mail
from flask_moment import Moment
from flask_sqlalchemy import SQLAlchemy
from config import config
from flask_migrate import Migrate
from flask_login import LoginManager
from flask_pagedown import PageDown
# from flask_markdown import Markdown
import flask_whooshalchemyplus
import pymysql
# from flask_sslify import SSLify

bootstrap = Bootstrap()
mail = Mail()
moment = Moment()
db = SQLAlchemy()
pagedown = PageDown()
migrate = Migrate()
# markdown = Markdown()
pymysql.install_as_MySQLdb()


login_manager = LoginManager()  # 忘加大括号 很呆
login_manager.session_protection = 'strong'  # protection 少打个C
login_manager.login_view = 'auth.login'


def create_app(config_name):
    app = Flask(__name__)
    app.config.from_object(config[config_name])
    config[config_name].init_app(app)

    bootstrap.init_app(app)
    mail.init_app(app)
    moment.init_app(app)
    db.init_app(app)
    login_manager.init_app(app)
    pagedown.init_app(app)
    migrate.init_app(app, db, render_as_batch=True)
    # sslify = SSLify(app)

    from .main import main as main_blueprint
    app.register_blueprint(main_blueprint)
    from .auth import auth as auth_blueprint
    app.register_blueprint(auth_blueprint, url_prefix='/auth')

    flask_whooshalchemyplus.init_app(app)

    return app
